<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片试图区域 -->
        <el-card class="box-card">
            <el-row :gutter="15">
                <el-col :span="12">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query"
                    class="input-with-select" clearable>
                        <el-button slot="append" icon="el-icon-search"
                        @click="getUserList" ></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible = !addDialogVisible">添加用户</el-button>
                </el-col>
            </el-row>

            <!-- 用户列表区 -->
            <el-table :data="userlist" style="width: 100%" border stripe>
                <el-table-column type="index" label="#"  align="center"></el-table-column>
                <el-table-column prop="username" label="姓名"></el-table-column>
                <el-table-column prop="email" label="邮箱"></el-table-column>
                <el-table-column prop="mobile" label="手机号"></el-table-column>
                <el-table-column prop="role_name" label="角色"></el-table-column>
                <el-table-column label="状态" >
                    <template slot-scope="scope">
                        <el-switch v-model="scope.row.mg_state"
                        @change="userStateChanged(scope.row)"></el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作">
                    <template slot-scope="scope">
                        <!-- 修改按钮 -->
                        <el-button type="primary" icon="el-icon-edit"
                        size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                        <!-- 删除按钮 -->
                        <el-button type="danger" icon="el-icon-delete" size="mini"
                        @click="removeUserById(scope.row.id)"></el-button>
                        <!-- 分配角色 -->
                        <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable="false">
                            <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>

            <!-- 分页区域 -->
            <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[1, 2, 5, 10]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
            </el-pagination>
        </el-card>

        <!-- 添加用户的对话框 -->
        <el-dialog
        title="要添加的用户" :visible.sync="addDialogVisible"
        width="50%" @close="addDialogClosed">
            <el-form :model="addFrom" :rules="addFromRules"
            ref="addFromRef" label-width="70px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addFrom.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addFrom.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addFrom.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="addFrom.mobile"></el-input>
                </el-form-item>
            </el-form>
            <!-- 底部区 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
        </el-dialog>

        <!-- 修改用户的对话框 -->
        <el-dialog title="修改用户信息(功能待完善)"  :visible.sync="editDialogVisible"
        width="50%" @close="editDialogClosed">
            <el-form :model="editFrom" :rules="editFromRules" ref="editFromRef" label-width="70px" >
                <el-form-item label="用户名">
                    <el-input v-model="editFrom.username" disabled></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editFrom.email" ></el-input>
                </el-form-item>
                <el-form-item label="电话" prop="mobile">
                    <el-input v-model="editFrom.mobile" ></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo" disabled>确 定</el-button>
            </span>
        </el-dialog>

        <!-- 分配角色的对话框 -->
        <el-dialog
        title="分配角色" :visible.sync="setRoleDialogVisable" width="50%" 
        :before-close="handleClose" @close="selectedRoleId = userInfo =''">
            <div>
                <p>当前的用户：{{userInfo.username}}</p>
                <p>当前的角色：{{userInfo.role_name}}</p>
                <p>分配新角色：
                    <template>
                    <el-select v-model="selectedRoleId" placeholder="请选择">
                        <el-option v-for="item in roleList" :key="item.id"
                        :label="item.roleName" :value="item.id"></el-option>
                    </el-select>
                    </template>
                </p>
            </div>            
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRoleDialogVisable = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </span>
        </el-dialog>

    </div>
</template>

<script>
export default {
    data(){
            //验证邮箱规则
            // var checkEmail = (rule, vlaue, cb) => {
            //     //验证邮箱正则表达式
            //     const regEmail = /^([a-zA-Z0-9_-)+@(
            //     [a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

            //     if(regEmail.test(value)){
            //         //合法的邮箱
            //         return cb()
            //     }

            //     cb(new Error('请提供合法的邮箱'))
            // }
            var checkEmail = (rule, vlaue, cb) => {
                //验证手机正则表达式
                const regEmail = /^(1[3|5-9])\d{9}$/

                if(regEmail.test(value)){
                    //合法的手机
                    return cb()
                }

                cb(new Error('请提供合法的手机'))
            }
            //验证手机号

        return {
            //获取用户列表的参数对象
            queryInfo:{
                query: '',
                pagenum: 1,
                pagesize: 2
            },
            userlist: [],
            total: 0,
            //添加用户栏的隐藏与显示
            addDialogVisible: false,
            //添加用户表单数据
            addFrom: {
                username: '',
                password: '',
                email: '',
                mobile: ''
            },
            //验证表单的规则
            addFromRules: {
                username:[{required: true,
                    message: '请输入用户名',
                    tigger: 'blur'},
                        {min: 3,max: 10,
                    message: '用户名的长度在3-10个字符',
                    trigger: 'blur'}
                ],
                password: [{required: true,
                    message: '请输入密码',
                    tigger: 'blur'},
                        {min: 6,max: 15,
                    message: '用户名的长度在6-15个字符',
                    trigger: 'blur'}
                ],

                // mobile: [{required: true,
                //     message: '请输入手机',
                //     tigger: 'blur'},
                //         {min: 11,max: 11,
                //     message: '用户名的长度在11个字符',
                //     trigger: 'blur'}
                // ]
            },
            //控制修改用户对话框的显示与隐藏
            editDialogVisible: false,
            //查询到的用户信息
            editFrom: {},
            editFromRules: {
                email: [{required: true,
                    message: '请输入邮箱',
                    tigger: 'blur'},
                    { validator: checkEmail, trigger:
                    'blur'}
                ],mobile: [{required: true,                
                    message: '请输入手机',
                    tigger: 'blur'}
                ],
            },
            //控制分配角色对话框的显示与隐藏
            setRoleDialogVisable: false,
            //需要被分配的角色信息
            userInfo: {},
            //所有角色胡数据列表
            roleList: [],
            //已经选中的角色id值
            selectedRoleId: '',
        }
    },
    created(){
        this.getUserList()
    },
    methods: {
        async getUserList(){
            const { data : res } = await this.$http.get('users',{
                params: this.queryInfo
            })
            if(res.meta.status !== 200)
                return this.$message.error("获取用户列表失败！");
            this.userlist = res.data.users
            this.total = res.data.total
            console.log(res)
        },
        //监听 pagesize 改变
        handleSizeChange(newSize) {
            console.log(newSize)
            this.queryInfo.pagesize = newSize
            this.getUserList()
        },
        //监听 页码值 改变事件
        handleCurrentChange(newPage){
            console.log(newPage)
            this.queryInfo.pagenum = newPage
            this.getUserList()
        },
        //监听 switch 开关状态
        async userStateChanged(userinfo){
            //console.log(userinfo)
            //console.log('@@@')
            const { data : res} = await this.$http.put
            (`users/${userinfo.id}/state/${userinfo.mg_state}`)
            //console.log(res)
            if(res.meta.status!==200){
                userinfo.mg_state = !userinfo.mg_state
                return this.$message.error('更新用户状态失败')
            }
            this.$message.success('更新状态成功')
        },
        //监听初始化添加列表事件
        addDialogClosed(){
            this.$refs.addFromRef.resetFields()
        },
        //点击按钮添加新用户
        addUser(){
            //console.log(this.addFromRef)
            this.$refs.addFromRef.validate(async valid => {
                if(!valid) return
                //发起网络请求
                const { data : res } = await this.$http.post
                ('users',this.addFrom)

                if(res.meta.status !== 201) {
                    this.$message.error('添加用户失败')
                }

                this.$message.success('添加用户成功！')
                //隐藏添加用户的对话框
                this.addDialogVisible = false
                //重新获取用户数据
                this.getUserList()
            })
        },
        //展示修改用户对话框
        async showEditDialog(id){
            //console.log(id)
            const { data : res } = await this.$http.get('users/'+id)
            //console.log('@')
            //console.log(res)

            if(res.meta.status !== 200){
                return this.$message.error('查询用户失败！')
            }
            //console.log(id)
            // console.log('@')
            // console.log(this.editFrom)
            // console.log(res.data)
            // console.log('@')
            // this.editFrom.email = res.data.email
            // this.editFrom.mobile = res.data.mobile
            this.editFrom = res.data
            this.editDialogVisible = true
            // console.log(this.editFrom)
            // console.log('@')
        },
        //监听修改用户对话框的关闭事件
        editDialogClosed() {
            this.$refs.editFromRef.resetFields()
        },
        //修改用户信息
        editUserInfo() {
            //console.log(this.editFrom)
            // //console.log(this.editFromRef)
            // this.$refs.editFromRef.validate(async valid => {
            //     if(!valid) return

            //     const {data : res} = await this.$http.put('users/'+ this.editFrom.id,{
            //         id: this.editFrom.id,
            //         email: this.editFrom.email,
            //         mobile: this.editFrom.mobile
            //         })

            //     if(re.meta.status !==200){
            //         return this.$message.error('更新用户信息失败! ')
            //     }

            //     //关闭对话框
            //     this.editDialogVisible = false
            //     //刷新数据
            //     this.getUserList()
            //     //提示修改成功
            //     this.$message.success('更新用户成功')
            // })
        },
        //根据id删除对应的用户信息
        async removeUserById(id){            
        //询问用户是否删除数据
        const res = await this.$confirm('此操作将永久删除该用户, 是否继续?',
          '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)

        //确认返回 confirm
        //取消返回 cancel
        if (res!=='confirm'){
          return this.$message.info('已经取消删除')
        }

        //console.log('确认了删除')
        const {data : res2} = await this.$http.delete('users/' + id)

        if (res2.meta.status!==200){
          return this.$message.error('删除失败')
        }

        this.$message.success('删除用户成功')
        this.getUserList()     
        },
        //展示分配角色方框
        async setRole(userInfo){
            this.userInfo = userInfo
            const {data : res} = await this.$http.get('roles')

            if(res.meta.status!==200){
                return this.$message.error('获取角色列表失败！')
            }

            this.roleList = res.data
            console.log(res)

            this.setRoleDialogVisable = true
        },
        //点击按钮分配角色
        async saveRoleInfo(){
            if(!this.selectedRoleId){
                return this.$message.error('没有选取新角色，亲选择要分配的角色')
            }

            const {data : res} = await        
            this.$http.put(`users/${this.userInfo.id}/role`,{rid : this.selectedRoleId})

            if(res.meta.status!==200){
                console.log(res)
                return this.$message.error('角色分配失败！')
            }

            this.$message.success('更新角色成功！') 
            this.getUserList()
            this.setRoleDialogVisable = false

        }
    }
}
</script>

<style lang="less" scopeed>

</style>
